Monitor not detecting signal

[olive storm]

So I can turn my PC on just fine and dandy, no led indicators or anything and my gpu and fans all spin like nothin, but when I turn it on the monitor won’t detect signal and my monitor is just fine as it turns on fine. I can’t really find the problem any help is usefull, thanks

[cobalt hinge]

Is your display cable plugged into the motherboard instead of your gpu?